20315305544022 has 48 divisors (see below), whose sum is σ = 44852874487200. Its totient is φ = 6643128301056.

The previous prime is 20315305544021. The next prime is 20315305544033. The reversal of 20315305544022 is 22044550351302.

20315305544022 is a `hidden beast` number, since 2 + 0 + 3 + 15 + 30 + 554 + 40 + 22 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20315305544021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5905143 + ... + 8689149.

It is an arithmetic number, because the mean of its divisors is an integer number (934434885150).

Almost surely, 2^{20315305544022} is an apocalyptic number.

20315305544022 is an abundant number, since it is smaller than the sum of its proper divisors (24537568943178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20315305544022 is a wasteful number, since it uses less digits than its factorization.

20315305544022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791717 (or 2791714 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 20315305544022 its reverse (22044550351302), we get a palindrome (42359855895324).

The spelling of 20315305544022 in words is "twenty trillion, three hundred fifteen billion, three hundred five million, five hundred forty-four thousand, twenty-two".